Prohlížíte si archiv sobota 18. července 2020

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 Jul 18 1231 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
18 Jul 2020	068	006
19 Jul 2020	068	005
20 Jul 2020	068	007

Bulletin

Solar activity was at very low levels and is expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels and the greater than 2 MeV electron flux was at nominal to moderate levels during the last 24 hours and are expected to remain so for the next 24 hours.

The solar wind speed ranged between 360 and 450 km/s (DSCOVR) over the past 24 hours. The total magnetic field was at or below 6 nT. Bz ranged between -5 and +5 nT. The direction of the interplanetary magnetic field (phi angle) was mostly directed away from the Sun (positive sector). For the next 24 hours the solar wind speed is expected to remain at nominal levels. An extension to the southern polar coronal hole and a small patchy positive polarity equatorial coronal hole, which began to transit the central meridian on Jul 16, may cause a slight enhancement to the solar wind conditions from 20 July.

Geomagnetic activity was mostly quiet (local K Dourbes and NOAA Kp recorded values between 0-3 and 1-2, respectively). Geomagnetic conditions are expected to be mostly quiet on 18 - 20 July, with possible unsettled conditions from late on 20 July.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 19 stanic.

Solární indexy za 17 Jul 2020

Wolfovo číslo Catania	000
10cm sluneční tok	068
AK Chambon La Forêt	010
AK Wingst	007
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 24 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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